"Gets in to the act" is a phrase that refers to someone who gets involved in a situation or project in order to gain attention or recognition. There are several other synonyms that could be used to describe the same idea. For example, "jumping on the bandwagon" means someone joining a popular idea or trend in order to be a part of it. "Trying to steal the show" implies that someone is trying to take center stage or be the star of the situation. Meanwhile, "butting in" or "interfering" suggests someone getting involved in a situation where they aren't necessarily needed or welcome. Ultimately, all of these phrases describe someone who is trying to insert themselves into a situation for personal gain.